Pictures of the day: 20 September 2012

Sam Sam Bubbleman - otherwise known as Sam Heath - engulfs a woman inside a bubble on the South Bank in London. He holds nine world records, including fitting 50 people inside a bubble, creating 56 bubbles inside another and the world's largest bubble, measuring 500 cubic feet. Sam is set to create the world's first bubble art exhibition at the Grand Marnier Bubble Bar at the Britannia in Hackney on Friday 21 September.Picture: Rosie Hallam / Barcroft Media